asbalyan wrote:
Thats not right... The lens which goes 1:1 on full frame will go 1:1 (same magnification ratio) on APS-xx format. APS-C cameras are nothing but the smaller sensor cameras compare to full frame... hence your capture area decreases, not the magnification.

You're right, and I didn't put that very well. It's an illusion of creating greater magnification in relation to the lens on all FF sensor via crop. But yes, with a 1:1 lens at MFD focused on a subject 36mm in length, only 23.6mm of the subject will be captured in the frame on an APS-C, which is still 1:1.

my chinese one is on the way, i'm expecting it next week. I bought the Nikon AI - NEX one days before the FD was available. If i like it, I'll probably get an FD one as well for more flexibility, and maybe sell the AI.

ISO1600 wrote:
my chinese one is on the way, i'm expecting it next week. I bought the Nikon AI - NEX one days before the FD was available. If i like it, I'll probably get an FD one as well for more flexibility, and maybe sell the AI.

Where did you get your Lens Turbo from? Seems to have arrived quick. There are loads of them on Ebay for sale now. To find just search focal reducer, order by newly listed and select worldwide. MD/FD mounts now available. Is there a way to adjust the Lens turbo versions for infinity like you can on the metabones version?

69kaine wrote:
Where did you get your Lens Turbo from? Seems to have arrived quick. There are loads of them on Ebay for sale now. To find just search focal reducer, order by newly listed and select worldwide. MD/FD mounts now available. Is there a way to adjust the Lens turbo versions for infinity like you can on the metabones version?

I ordered on MXcamera web site, not on eBay. The item has shipped from HongKong to Japan by trucking airmail, so it may be relatively quick. It looks same way to adjust the position of internal lens by screw as Metabones Speed booster. The adapter that I got has been adjusted infinity. It can be seen that the adjusted position has been marked by pen.

I found that Ai Nikkor 20mm/F2.8S also fit on Lens Turbo without a scratch.

wow, those pictures are quite telling.
I've got one on the way that I plan on using with three Nikkors- 35/2, 50/1.4, and 85/2, all AIS. Hopefully the effect won't be as extreme as some of your shots with the 20mm.

The lens has a guard structure on rear lens unit, however it does not conflict Lens Turbo.
Slight barrel distortion can be seen, however this reducer adapter will be quite useful for macro photography.